In this Jan. 7, 2019 photo, Iranian schoolboys look at an exhibition at a former prison run by the pre-revolution intelligence service, SAVAK. AP
In this Jan. 7, 2019 photo, Iranian schoolboys look at an exhibition at a former prison run by the pre-revolution intelligence service, SAVAK. AP

Iran jailed 1.7 million people in the 30 years after the revolution, watchdog says